Rock tunnel four-arm drill splitting tunneling trolley

Abstract

The rock tunnel four-arm drilling and splitting advancing trolley disclosed by the application comprises a trolley body, four sets of driving large arms, four sets of adjusting small arms, two sets of drilling assemblies, two sets of splitting assemblies and four sets of adjusting assemblies, the four sets of driving large arms are installed in parallel on one side of the trolley body, the four sets of adjusting small arms are installed in matched mode on one side of the four sets of driving large arms, the four sets of adjusting small arms are all movably connected with the four sets of driving large arms through movable hinged pieces, and the two sets of drilling assemblies and the two sets of splitting assemblies are installed in matched mode on the four sets of adjusting small arms respectively. The four sets of parallel driving large arms and the matched rotating assemblies are used for working, the overall drilling and splitting efficiency of the device is greatly improved, the time for charging and networking in the drilling and blasting construction is saved, the operator can be far away from the operation surface, the safety of the overall construction is improved, the vibration caused by the drilling and splitting rock breaking is very slight relative to the vibration caused by the blasting, and the vibration-free construction can be realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of rock tunnel drilling machines and rock hydraulic splitting devices, in particular to a rock tunnel four-arm drilling and splitting jumbo. BACKGROUND

[0002] Tunnel refers to a passageway dug in soil and rock structure, is a buried engineering structure in stratum, is a form of human utilization of underground space, and can be divided into railway, highway, subway, municipal traffic tunnels, water conservancy tunnels, municipal tunnels and mine tunnels. In tunnel construction, workers need to use drilling machines to drill holes. Traditionally, mobile gantries are mostly used to manually operate pneumatic drilling machines to drill holes. The overall drilling efficiency is low, and the work efficiency is ensured by relying on more workers and more drilling points. The labor intensity of workers is large, and the rock needs to be broken by charging and blasting, which can easily cause stratum vibration and disturb the public.

[0003] The prior art has the following disadvantages: the traditional drilling work is mostly manually operated by pneumatic drilling machines, the overall drilling efficiency is low, and the labor intensity of workers is large. At the same time, the working environment of workers is extremely poor, the personal safety is difficult to guarantee, the overall construction safety is low, and the overall use effect is not good. The rock needs to be broken by charging and blasting, which can easily cause stratum vibration and disturb the public.

[0004] The existing drilling and splitting integrated machine for open excavation foundation pit is a device installed on the movable arm of an excavator. The overall weight is large, needs to be carried by a large excavator, and the working angle is difficult to guarantee. It cannot be used for tunnel drilling and splitting construction. The existing two-arm drilling and splitting jumbo adopts one arm for drilling and one arm for splitting. It cannot create a free face by "V"-shaped slotting (only the method of drilling and setting row holes for straight eye slotting can be used). The efficiency is low, and needs to be improved. SUMMARY

[0005] The present application aims to provide a rock tunnel four-arm drilling and splitting jumbo to solve the problems of vibration and disturbance of the existing rock tunnel drilling and blasting construction, especially the non-drilling and blasting construction in limited environments such as urban tunnels and underground space mechanical excavation of rock and expansion of existing railway lines. It also solves the problem of low efficiency of static explosive and cutting method excavation of hard rock, breaks through the difficulty of rock tunnel excavation with small and medium-sized machinery without explosive, helps the national mechanization and labor reduction strategy, realizes non-vibration and environmentally friendly construction, and the four-arm jumbo adopts two arms for drilling and two arms for drilling and splitting. It can create a free face by "V"-shaped slotting, greatly improve the construction efficiency, and fill the gap of possible tunnel drilling and splitting construction.

[0006] In order to achieve the above object, the present application provides the following technical scheme: the rock tunnel four-arm drill splitting advancing trolley, comprising a trolley body, four sets of driving large arms, four sets of adjusting small arms, two sets of drilling assemblies and two sets of splitting assemblies, and four sets of adjusting assemblies, the four sets of driving large arms are installed in parallel on one side of the trolley body, the four sets of adjusting small arms are installed in matching on one side of the four sets of driving large arms, and the four sets of adjusting small arms are all movably connected with the four sets of driving large arms through movable hinged pieces, the two sets of drilling assemblies and the two sets of splitting assemblies are installed in matching on the four sets of adjusting small arms respectively, the four sets of adjusting assemblies are movably installed on the four sets of adjusting small arms, the two sets of drilling assemblies comprise a first power part, a drill rod and a drilling bit, the first power part is installed on the adjusting small arm, one end of the drill rod is connected with the first power part, and the drilling bit is fixedly installed at one end of the drill rod.

[0007] Preferably, the first power part adopts a diesel engine as a power output source, the drilling bit adopts a hard alloy material, and the drilling bit is arranged in a conical shape.

[0008] Preferably, the two sets of splitting assemblies comprise a second power part, a splitter rod and a splitter head, the second power part is installed on the adjusting small arm, one end of the splitter rod is fixedly connected with the second power part, and the splitter head is fixedly installed at the other end of the splitter rod.

[0009] Preferably, the second power part adopts a diesel engine as a power output source, the splitter head adopts a hard alloy material, and the splitter head is arranged in a wedge shape.

[0010] Preferably, the four sets of driving large arms are all made of steel, and the four sets of driving large arms are all connected with external double power sources provided on the trolley body.

[0011] Preferably, the four sets of adjusting assemblies all comprise a first adjusting hydraulic cylinder and a second adjusting hydraulic cylinder, the first adjusting hydraulic cylinder is fixedly arranged in an inclined manner on one side of the upper end of the four sets of driving large arms, the output end of the second adjusting hydraulic cylinder is connected with one side of the drill rod in matching, and the output end of the first adjusting hydraulic cylinder is connected with the bottom end of the second adjusting hydraulic cylinder.

[0012] The rock tunnel four-arm drill splitting advancing trolley provided by the present application has the following beneficial effects:

[0013] (1) The present application works by adopting four groups of parallel driving large arms and matching rotating components, the four-arm trolley adopts two arms to punch holes and two arms to drill split, can implement "v" shape slotting to create free surface, greatly improves the construction efficiency, fills the gap of possible hole drilling and split method construction, greatly improves the overall punching and splitting efficiency of the device, also saves the time of drilling and blasting construction charging networking, the staff can be away from the operation surface, improves the safety of the overall construction, the vibration generated by drilling and splitting rock is very slight compared with the vibration generated by blasting, can realize non-vibration construction, meanwhile, through the two groups of drilling and two groups of splitting components, under the driving of the power part, the drill rod and the splitter rod, the drill bit and the splitter head can be stably driven for drilling and splitting work, and the overall working range is wide, meanwhile, the power part adopts diesel engine as the power output source, the power output is stable and flexible, can match different working conditions of drilling and splitting operation and scene moving.

[0014] (2) The present application is provided with four groups of adjusting components, four groups of driving large arms and four groups of adjusting small arms are connected through movable hinge connection, and then the working direction of the drill rod and the splitter rod can be quickly adjusted synchronously, under the action of the first hydraulic cylinder, the drill rod and the splitter rod can be stably driven to tilt along the driving large arm, the working range of the drill rod and the splitter rod is increased, meanwhile, under the pushing of the second hydraulic cylinder, the drill rod and the splitter rod can be stably driven to rotate at an angle, can match drilling and splitting processing at different angles, ensures the accuracy of overall drilling and splitting, the operation is flexible and convenient, the working angle can be quickly adjusted and accurately positioned. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the present application;

[0016] Figure 2 It is the drilling assembly structure schematic diagram of the present application;

[0017] Figure 3 It is the splitting assembly structure schematic diagram of the present application;

[0018] Figure 4 It is the driving large arm and adjusting small arm connection schematic diagram of the present application.

[0019] In the figure: 1, driving large arm; 2, adjusting small arm; 3, drilling assembly; 4, splitting assembly; 5, first power part; 6, second power part; 7, drill rod; 8, splitter rod; 9, first adjusting hydraulic cylinder; 10, movable hinge; 11, adjusting component; 12, trolley body; 13, drill bit; 14, splitter head; 15, second adjusting hydraulic cylinder. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application.

[0021] As shown in Figures 1-4 The present application provides a technical solution: rock tunnel four-arm drill splitting tunneling trolley, including the body 12, four groups of driving big arm 1, four groups of adjusting small arm 2, two groups of drilling assembly 3 and two groups of splitting assembly 4 and four groups of adjusting assembly 11, four groups of driving big arm 1 are installed in parallel on one side of the body 12, four groups of adjusting small arm 2 are matched and installed on one side of four groups of driving big arm 1, and four groups of adjusting small arm 2 are all movably connected with four groups of driving big arm 1 through movable hinge 10, two groups of two groups of drilling assembly 3 and two groups of splitting assembly 4 are matched and installed on four groups of adjusting small arm 2, and four groups of adjusting assembly 11 are movably installed on four groups of adjusting small arm 2.

[0022] Two groups of drilling assembly 3 include first power part 5, drill rod 7 and drilling bit 13, the first power part 5 is installed on adjusting small arm 2, one end of the drill rod 7 is connected with the first power part 5, and the drilling bit 13 is fixedly installed on one end of the drill rod 7, which can stably drive the drill rod 7 and the drilling bit 13 to drill under the driving of the first power part 5, and the overall working range is wide.

[0023] The first power part 5 adopts diesel engine as power output source, the drilling bit 13 adopts hard alloy material, and the drilling bit 13 is conical, which can match different working conditions of drilling work by adopting diesel engine as power output source, improve the flexibility of overall drilling work, and ensure good drilling effect and high drilling efficiency.

[0024] Two groups of splitting assembly 4 include second power part 6, splitter rod 8 and splitter head 14, the second power part 6 is installed on adjusting small arm 2, one end of the splitter rod 8 is fixedly connected with the second power part 6, and the splitter head 14 is fixedly installed on the other end of the splitter rod 8, which can stably drive the splitter rod 8 and the splitter head 14 to split under the driving of the second power part 6, and the overall working range is wide.

[0025] The second power part 6 adopts diesel engine as power output source, the splitter head 14 adopts hard alloy material, and the splitter head 14 is wedge-shaped, which can match different working conditions of splitting work by adopting diesel engine as power output source, improve the flexibility of overall splitting work, and ensure good splitting effect and facilitate use by setting the splitter head 14 in wedge shape.

[0026] Four groups of driving big arm 1 are all pressed from steel material, and the ends of four groups of driving big arm 1 are connected with external double power sources provided on the body 12, which can ensure stable work of the driving big arm 1 and long service life.

[0027] The four sets of adjusting assemblies 11 each include a first adjusting hydraulic cylinder 9 and a second adjusting hydraulic cylinder 15. The first adjusting hydraulic cylinder 9 is fixedly arranged in an inclined manner on one side of the upper end of the four sets of driving arms 1. The output end of the second adjusting hydraulic cylinder 15 is matchedly connected with one side of the drill rod 7. The output end of the first adjusting hydraulic cylinder 9 is connected with the bottom end of the second adjusting hydraulic cylinder 15. The four sets of driving arms 1 are movably connected with the four sets of adjusting arms 2 through the movable hinge pieces 10, so that the working directions of the drill rod 7 and the wedge splitter rod 8 can be quickly adjusted synchronously. Under the action of the first adjusting hydraulic cylinder 9, the drill rod 7 and the wedge splitter rod 8 can be stably driven to perform the inclination rotation along the driving arm 1, so as to increase the working range of the drill rod 7 and the wedge splitter rod 8. Under the action of the second adjusting hydraulic cylinder 15, the drill rod 7 and the wedge splitter rod 8 can be stably driven to perform the angle rotation, so as to match the drilling and splitting work at different angles, and ensure the accuracy of the overall drilling and wedge splitter alignment, thereby facilitating the operation of the workers.

[0028] It should be noted that the rock tunnel four-arm drilling and splitting jumbo is connected with the external power source at the end of the four sets of driving arms 1 during the work, so as to ensure the stable work of the whole device. The four sets of parallel driving arms 1 greatly improve the overall drilling efficiency. The workers can be away from the operation surface, so as to improve the safety of the overall construction, avoid the harm to the workers, improve the working environment, and ensure the efficient drilling and splitting work of the whole device. The first power part 5 and the second power part 6 are both diesel engines, which have stable power output and high output power, can match the drilling and splitting work at different working conditions, improve the flexibility of the overall drilling and splitting work, and improve the overall use effect of the device. The first power part 5 and the second power part 6 are both diesel engines, which have stable power output and high output power, can match the drilling and splitting work at different working conditions, improve the flexibility of the overall drilling and splitting work, and improve the overall use effect of the device. The driving arms 1 are movably connected with the adjusting arms 2 through the movable hinge pieces 10, so that the working directions of the drill rod 7 and the wedge splitter rod 8 can be quickly adjusted synchronously. Under the action of the first adjusting hydraulic cylinder 9, the drill rod 7 and the wedge splitter rod 8 can be stably driven to perform the inclination rotation along the driving arm 1, so as to increase the working range of the drill rod 7 and the wedge splitter rod 8. Under the action of the second adjusting hydraulic cylinder 15, the drill rod 7 and the wedge splitter rod 8 can be stably driven to perform the angle rotation, so as to match the drilling and splitting work at different angles, and ensure the accuracy of the overall drilling and wedge splitter alignment, thereby facilitating the operation of the workers.

[0029] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous changes, modifications, substitutions and variations can be made thereto without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A rock tunnel four-arm drill wedge driving jumbo, characterized in that, The utility model relates to a rock tunnel four-armed drill split tunneling trolley, which comprises a vehicle body (12), four sets of driving large arms (1), four sets of adjusting small arms (2), two sets of drilling assemblies (3) and two sets of splitting assemblies (4), and four sets of adjusting assemblies (11), the four sets of driving large arms (1) are installed in parallel on one side of the vehicle body (12), the four sets of adjusting small arms (2) are installed in matching on one side of the four sets of driving large arms (1), and the four sets of adjusting small arms (2) are all movably connected with the four sets of driving large arms (1) through movable hinged members (10), the two sets of drilling assemblies (3) and the two sets of splitting assemblies (4) are installed in matching on the four sets of adjusting small arms (2) respectively, the four sets of adjusting assemblies (11) are movably installed on the four sets of adjusting small arms (2), the two sets of drilling assemblies (3) comprise a first power part (5), a drill rod (7) and a drilling drill bit (13), the first power part (5) is installed on the adjusting small arm (2), one end of the drill rod (7) is connected with the first power part (5), and the drilling drill bit (13) is fixedly installed at one end of the drill rod (7), the rock tunnel four-armed drill split tunneling trolley adopts two arms for drilling and two arms for splitting, the two arms for drilling are arranged on both sides, the two arms for splitting are arranged in the middle, and a V-shaped slotting can be implemented to create a free surface.

2. The rock tunnel four-arm drill wedge excavating jumbo according to claim 1, characterized in that: The first power part (5) adopts a diesel engine as a power output source, the drilling drill bit (13) is made of hard alloy material, and the drilling drill bit (13) is arranged in a conical shape.

3. The rock tunnel four-arm drill wedge boring jumbo according to claim 1, characterized in that, The two sets of splitting assemblies (4) comprise a second power part (6), a splitter rod (8) and a splitter head (14), the second power part (6) is installed on the adjusting small arm (2), one end of the splitter rod (8) is fixedly connected with the second power part (6), and the splitter head (14) is fixedly installed at the other end of the splitter rod (8).

4. The rock tunnel four-arm drill wedge boring jumbo according to claim 3, characterized in that, The second power part (6) adopts a diesel engine as a power output source, the splitter head (14) is made of hard alloy material, and the splitter head (14) is arranged in a wedge shape.

5. The rock tunnel four-arm drill wedge jumbo of claim 1, characterized in that the four groups of The driving large arms (1) are all made of steel, and the four sets of driving large arms (1) are all connected with external double power sources arranged on the vehicle body (12).

6. The rock tunnel four-arm drill wedge boring jumbo according to claim 1, characterized in that, The four sets of adjusting assemblies (11) each comprise a first adjusting hydraulic cylinder (9) and a second adjusting hydraulic cylinder (15), the first adjusting hydraulic cylinder (9) is fixedly arranged on one side of the upper end of the four sets of driving large arms (1) in an inclined manner, the output end of the second adjusting hydraulic cylinder (15) is connected with one side of the drill rod (7) in matching, and the output end of the first adjusting hydraulic cylinder (9) is connected with the bottom end of the second adjusting hydraulic cylinder (15).

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